/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7707f89-m [2022-11-16 03:04:44,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 03:04:44,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 03:04:44,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 03:04:44,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 03:04:44,907 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 03:04:44,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 03:04:44,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 03:04:44,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 03:04:44,924 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 03:04:44,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 03:04:44,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 03:04:44,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 03:04:44,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 03:04:44,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 03:04:44,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 03:04:44,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 03:04:44,928 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 03:04:44,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 03:04:44,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 03:04:44,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 03:04:44,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 03:04:44,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 03:04:44,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 03:04:44,943 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 03:04:44,944 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 03:04:44,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 03:04:44,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 03:04:44,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 03:04:44,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 03:04:44,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 03:04:44,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 03:04:44,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 03:04:44,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 03:04:44,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 03:04:44,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 03:04:44,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 03:04:44,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 03:04:44,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 03:04:44,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 03:04:44,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 03:04:44,952 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-16 03:04:44,975 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 03:04:44,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 03:04:44,975 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 03:04:44,976 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 03:04:44,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 03:04:44,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 03:04:44,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 03:04:44,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 03:04:44,978 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 03:04:44,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 03:04:44,979 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 03:04:44,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 03:04:44,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 03:04:44,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 03:04:44,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 03:04:44,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 03:04:44,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 03:04:44,979 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 03:04:44,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 03:04:44,979 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 03:04:44,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 03:04:44,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 03:04:44,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 03:04:44,981 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-16 03:04:44,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 03:04:44,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 03:04:44,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 03:04:44,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 03:04:44,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 03:04:44,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 03:04:44,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 03:04:44,982 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 03:04:44,982 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-16 03:04:44,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 03:04:44,982 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-16 03:04:44,982 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-16 03:04:44,982 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2022-11-16 03:04:45,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 03:04:45,195 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 03:04:45,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 03:04:45,197 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 03:04:45,198 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 03:04:45,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2022-11-16 03:04:45,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70c75db57/3d3f9e1e2b9849c2ba2a1a3aa1bcdc87/FLAG36eee0241 [2022-11-16 03:04:45,836 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 03:04:45,837 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2022-11-16 03:04:45,863 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70c75db57/3d3f9e1e2b9849c2ba2a1a3aa1bcdc87/FLAG36eee0241 [2022-11-16 03:04:46,057 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70c75db57/3d3f9e1e2b9849c2ba2a1a3aa1bcdc87 [2022-11-16 03:04:46,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 03:04:46,060 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-16 03:04:46,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 03:04:46,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 03:04:46,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 03:04:46,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:04:46" (1/1) ... [2022-11-16 03:04:46,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@646f3af6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:04:46, skipping insertion in model container [2022-11-16 03:04:46,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:04:46" (1/1) ... [2022-11-16 03:04:46,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 03:04:46,158 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 03:04:47,411 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i[196530,196543] [2022-11-16 03:04:47,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 03:04:47,636 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 03:04:47,909 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i[196530,196543] [2022-11-16 03:04:47,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 03:04:48,087 INFO L208 MainTranslator]: Completed translation [2022-11-16 03:04:48,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:04:48 WrapperNode [2022-11-16 03:04:48,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 03:04:48,088 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 03:04:48,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 03:04:48,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 03:04:48,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:04:48" (1/1) ... [2022-11-16 03:04:48,251 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:04:48" (1/1) ... [2022-11-16 03:04:48,441 INFO L138 Inliner]: procedures = 286, calls = 1704, calls flagged for inlining = 418, calls inlined = 483, statements flattened = 5769 [2022-11-16 03:04:48,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 03:04:48,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 03:04:48,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 03:04:48,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 03:04:48,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:04:48" (1/1) ... [2022-11-16 03:04:48,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:04:48" (1/1) ... [2022-11-16 03:04:48,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:04:48" (1/1) ... [2022-11-16 03:04:48,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:04:48" (1/1) ... [2022-11-16 03:04:48,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:04:48" (1/1) ... [2022-11-16 03:04:48,556 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:04:48" (1/1) ... [2022-11-16 03:04:48,567 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:04:48" (1/1) ... [2022-11-16 03:04:48,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:04:48" (1/1) ... [2022-11-16 03:04:48,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 03:04:48,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 03:04:48,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 03:04:48,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 03:04:48,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:04:48" (1/1) ... [2022-11-16 03:04:48,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 03:04:48,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:04:48,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 03:04:48,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 03:04:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-16 03:04:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2022-11-16 03:04:48,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2022-11-16 03:04:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 03:04:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2022-11-16 03:04:48,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2022-11-16 03:04:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 03:04:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 03:04:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 03:04:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 03:04:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 03:04:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 03:04:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 03:04:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 03:04:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 03:04:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 03:04:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2022-11-16 03:04:48,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2022-11-16 03:04:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 03:04:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 03:04:48,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 03:04:48,661 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 03:04:49,196 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 03:04:49,198 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 03:04:52,199 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 03:04:52,241 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 03:04:52,255 INFO L300 CfgBuilder]: Removed 29 assume(true) statements. [2022-11-16 03:04:52,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:04:52 BoogieIcfgContainer [2022-11-16 03:04:52,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 03:04:52,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 03:04:52,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 03:04:52,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 03:04:52,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:04:46" (1/3) ... [2022-11-16 03:04:52,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b17e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:04:52, skipping insertion in model container [2022-11-16 03:04:52,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:04:48" (2/3) ... [2022-11-16 03:04:52,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61b17e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:04:52, skipping insertion in model container [2022-11-16 03:04:52,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:04:52" (3/3) ... [2022-11-16 03:04:52,269 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2022-11-16 03:04:52,275 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 03:04:52,281 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 03:04:52,281 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 03:04:52,281 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 03:04:53,206 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2022-11-16 03:04:53,314 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 03:04:53,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-16 03:04:53,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-16 03:04:53,318 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-16 03:04:53,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-16 03:04:53,453 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-16 03:04:53,463 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ldv_character_driver_scenario_2Thread1of1ForFork1 ======== [2022-11-16 03:04:53,468 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4223fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 03:04:53,468 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Received shutdown request... [2022-11-16 03:19:09,722 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-16 03:19:09,722 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-11-16 03:19:09,835 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-11-16 03:19:09,837 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 03:19:09,863 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-16 03:19:09,864 INFO L307 ceAbstractionStarter]: Result for error location ldv_character_driver_scenario_2Thread1of1ForFork1 was TIMEOUT (1/3) [2022-11-16 03:19:09,867 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 03:19:09,867 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 03:19:09,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 03:19:09 BasicIcfg [2022-11-16 03:19:09,873 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 03:19:09,876 INFO L158 Benchmark]: Toolchain (without parser) took 863814.02ms. Allocated memory was 189.8MB in the beginning and 3.6GB in the end (delta: 3.4GB). Free memory was 150.3MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. [2022-11-16 03:19:09,877 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 189.8MB. Free memory is still 145.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-16 03:19:09,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2025.36ms. Allocated memory was 189.8MB in the beginning and 292.6MB in the end (delta: 102.8MB). Free memory was 150.3MB in the beginning and 234.9MB in the end (delta: -84.6MB). Peak memory consumption was 118.0MB. Max. memory is 8.0GB. [2022-11-16 03:19:09,878 INFO L158 Benchmark]: Boogie Procedure Inliner took 353.30ms. Allocated memory is still 292.6MB. Free memory was 234.9MB in the beginning and 213.7MB in the end (delta: 21.2MB). Peak memory consumption was 33.8MB. Max. memory is 8.0GB. [2022-11-16 03:19:09,878 INFO L158 Benchmark]: Boogie Preprocessor took 157.51ms. Allocated memory is still 292.6MB. Free memory was 213.7MB in the beginning and 188.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2022-11-16 03:19:09,879 INFO L158 Benchmark]: RCFGBuilder took 3662.06ms. Allocated memory was 292.6MB in the beginning and 548.4MB in the end (delta: 255.9MB). Free memory was 188.5MB in the beginning and 444.1MB in the end (delta: -255.5MB). Peak memory consumption was 112.5MB. Max. memory is 8.0GB. [2022-11-16 03:19:09,881 INFO L158 Benchmark]: TraceAbstraction took 857609.91ms. Allocated memory was 548.4MB in the beginning and 3.6GB in the end (delta: 3.0GB). Free memory was 443.5MB in the beginning and 2.3GB in the end (delta: -1.9GB). Peak memory consumption was 3.1GB. Max. memory is 8.0GB. [2022-11-16 03:19:09,887 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 189.8MB. Free memory is still 145.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2025.36ms. Allocated memory was 189.8MB in the beginning and 292.6MB in the end (delta: 102.8MB). Free memory was 150.3MB in the beginning and 234.9MB in the end (delta: -84.6MB). Peak memory consumption was 118.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 353.30ms. Allocated memory is still 292.6MB. Free memory was 234.9MB in the beginning and 213.7MB in the end (delta: 21.2MB). Peak memory consumption was 33.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 157.51ms. Allocated memory is still 292.6MB. Free memory was 213.7MB in the beginning and 188.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * RCFGBuilder took 3662.06ms. Allocated memory was 292.6MB in the beginning and 548.4MB in the end (delta: 255.9MB). Free memory was 188.5MB in the beginning and 444.1MB in the end (delta: -255.5MB). Peak memory consumption was 112.5MB. Max. memory is 8.0GB. * TraceAbstraction took 857609.91ms. Allocated memory was 548.4MB in the beginning and 3.6GB in the end (delta: 3.0GB). Free memory was 443.5MB in the beginning and 2.3GB in the end (delta: -1.9GB). Peak memory consumption was 3.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 25624994, independent: 25609997, independent conditional: 133115, independent unconditional: 25476882, dependent: 14126, dependent conditional: 10933, dependent unconditional: 3193, unknown: 871, unknown conditional: 296, unknown unconditional: 575] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25615526, independent: 25609997, independent conditional: 133115, independent unconditional: 25476882, dependent: 4658, dependent conditional: 1465, dependent unconditional: 3193, unknown: 871, unknown conditional: 296, unknown unconditional: 575] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 25615526, independent: 25609997, independent conditional: 133115, independent unconditional: 25476882, dependent: 4658, dependent conditional: 1465, dependent unconditional: 3193, unknown: 871, unknown conditional: 296, unknown unconditional: 575] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25615526, independent: 25609997, independent conditional: 0, independent unconditional: 25609997, dependent: 4658, dependent conditional: 0, dependent unconditional: 4658, unknown: 871, unknown conditional: 0, unknown unconditional: 871] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25615526, independent: 25609997, independent conditional: 0, independent unconditional: 25609997, dependent: 4658, dependent conditional: 0, dependent unconditional: 4658, unknown: 871, unknown conditional: 0, unknown unconditional: 871] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25615526, independent: 25609997, independent conditional: 0, independent unconditional: 25609997, dependent: 4658, dependent conditional: 0, dependent unconditional: 4658, unknown: 871, unknown conditional: 0, unknown unconditional: 871] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10302626, independent: 10298858, independent conditional: 0, independent unconditional: 10298858, dependent: 3193, dependent conditional: 0, dependent unconditional: 3193, unknown: 575, unknown conditional: 0, unknown unconditional: 575] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10302626, independent: 10297684, independent conditional: 0, independent unconditional: 10297684, dependent: 4942, dependent conditional: 0, dependent unconditional: 4942, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4942, independent: 1174, independent conditional: 0, independent unconditional: 1174, dependent: 3193, dependent conditional: 0, dependent unconditional: 3193, unknown: 575, unknown conditional: 0, unknown unconditional: 575] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4942, independent: 1174, independent conditional: 0, independent unconditional: 1174, dependent: 3193, dependent conditional: 0, dependent unconditional: 3193, unknown: 575, unknown conditional: 0, unknown unconditional: 575] , SemanticIndependenceRelation.Query Time [ms]: [ total: 772670, independent: 3550, independent conditional: 0, independent unconditional: 3550, dependent: 172789, dependent conditional: 0, dependent unconditional: 172789, unknown: 596331, unknown conditional: 0, unknown unconditional: 596331] , Protected Queries: 0 ], Cache Queries: [ total: 25615526, independent: 15311139, independent conditional: 0, independent unconditional: 15311139, dependent: 1465, dependent conditional: 0, dependent unconditional: 1465, unknown: 10302922, unknown conditional: 0, unknown unconditional: 10302922] , Statistics on independence cache: Total cache size (in pairs): 10302051, Positive cache size: 10298858, Positive conditional cache size: 0, Positive unconditional cache size: 10298858, Negative cache size: 3193, Negative conditional cache size: 0, Negative unconditional cache size: 3193, Unknown cache size: 575, Unknown conditional cache size: 0, Unknown unconditional cache size: 575, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 9468 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 816.8s, Number of persistent set computation: 107138, Number of trivial persistent sets: 49854, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25480650, independent: 25476882, independent conditional: 0, independent unconditional: 25476882, dependent: 3193, dependent conditional: 0, dependent unconditional: 3193, unknown: 575, unknown conditional: 0, unknown unconditional: 575] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 25624994, independent: 25609997, independent conditional: 133115, independent unconditional: 25476882, dependent: 14126, dependent conditional: 10933, dependent unconditional: 3193, unknown: 871, unknown conditional: 296, unknown unconditional: 575] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25615526, independent: 25609997, independent conditional: 133115, independent unconditional: 25476882, dependent: 4658, dependent conditional: 1465, dependent unconditional: 3193, unknown: 871, unknown conditional: 296, unknown unconditional: 575] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 25615526, independent: 25609997, independent conditional: 133115, independent unconditional: 25476882, dependent: 4658, dependent conditional: 1465, dependent unconditional: 3193, unknown: 871, unknown conditional: 296, unknown unconditional: 575] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25615526, independent: 25609997, independent conditional: 0, independent unconditional: 25609997, dependent: 4658, dependent conditional: 0, dependent unconditional: 4658, unknown: 871, unknown conditional: 0, unknown unconditional: 871] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25615526, independent: 25609997, independent conditional: 0, independent unconditional: 25609997, dependent: 4658, dependent conditional: 0, dependent unconditional: 4658, unknown: 871, unknown conditional: 0, unknown unconditional: 871] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25615526, independent: 25609997, independent conditional: 0, independent unconditional: 25609997, dependent: 4658, dependent conditional: 0, dependent unconditional: 4658, unknown: 871, unknown conditional: 0, unknown unconditional: 871] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10302626, independent: 10298858, independent conditional: 0, independent unconditional: 10298858, dependent: 3193, dependent conditional: 0, dependent unconditional: 3193, unknown: 575, unknown conditional: 0, unknown unconditional: 575] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10302626, independent: 10297684, independent conditional: 0, independent unconditional: 10297684, dependent: 4942, dependent conditional: 0, dependent unconditional: 4942, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4942, independent: 1174, independent conditional: 0, independent unconditional: 1174, dependent: 3193, dependent conditional: 0, dependent unconditional: 3193, unknown: 575, unknown conditional: 0, unknown unconditional: 575] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4942, independent: 1174, independent conditional: 0, independent unconditional: 1174, dependent: 3193, dependent conditional: 0, dependent unconditional: 3193, unknown: 575, unknown conditional: 0, unknown unconditional: 575] , SemanticIndependenceRelation.Query Time [ms]: [ total: 772670, independent: 3550, independent conditional: 0, independent unconditional: 3550, dependent: 172789, dependent conditional: 0, dependent unconditional: 172789, unknown: 596331, unknown conditional: 0, unknown unconditional: 596331] , Protected Queries: 0 ], Cache Queries: [ total: 25615526, independent: 15311139, independent conditional: 0, independent unconditional: 15311139, dependent: 1465, dependent conditional: 0, dependent unconditional: 1465, unknown: 10302922, unknown conditional: 0, unknown unconditional: 10302922] , Statistics on independence cache: Total cache size (in pairs): 10302051, Positive cache size: 10298858, Positive conditional cache size: 0, Positive unconditional cache size: 10298858, Negative cache size: 3193, Negative conditional cache size: 0, Negative unconditional cache size: 3193, Unknown cache size: 575, Unknown conditional cache size: 0, Unknown unconditional cache size: 575, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 9468 - TimeoutResultAtElement [Line: 7269]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ldv_character_driver_scenario_2Thread1of1ForFork1 with 1 thread instances CFG has 7 procedures, 12274 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 856.5s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 856.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown